Home / 3,242.21-4,855.52-1,851.33

Finding the Fourth Proportional to 3,242.21, 4,855.52 and 1,851.33

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Solution

The fourth proportional to 3,242.21, 4,855.52 and 1,851.33 is: 2,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.21 : 4,855.52 = 1,851.33 : x
  2. Step 2: Convert to fraction form
    3,242.21/4,855.52 = 1,851.33/x
  3. Step 3: Cross multiply
    3,242.21x = 4,855.52 × 1,851.33
  4. Step 4: Simplify right side
    3,242.21x = 8,989,186.61
  5. Step 5: Solve for x
    x = 8,989,186.61/3,242.21
  6. Step 6: Final answer
    x = 2,772.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.